Thymus, Biology

THYMUS -

It is derived from the endoderm of the embryo.

Structure. The thymus gland is located in the upper part of the thorax near the heart. It is a soft, pinkish, bilobed mass of lymphoid tissue. It is a prominent gland at the time of birth but it gradually atrophies In the adult.

Hassall's corpuscles are spherical or oval bodies present in the thymus. They are phagocytic in function.

Hormone. Thymus secretes a hormone named thymosin which stimulates the development of certain kinds of white blood cells involved in producing immunity. It also hastens attainment of sexual maturity.

Thymosin hormone stimulates the lymphocytes to destroy the antigens produced by bacteria or pathogen. It self may be destroyed by these lymphocytes.

Posted Date: 10/2/2012 7:09:50 AM | Location : United States







Related Discussions:- Thymus, Assignment Help, Ask Question on Thymus, Get Answer, Expert's Help, Thymus Discussions

Write discussion on Thymus
Your posts are moderated
Related Questions
Explain Properties related to protein-protein interactions? Properties related to protein-protein interactions include dough formation, one of the important functional properti

Concerning the sex chromosomes of the XY system which type of gamete do the male and the female individuals respectively produce? An Individual of the female sex is XX and thus

Q. Explain Left Ventricle Enlargement? The left ventricle (LV) is ellipsoid in shape. It lies behind, and to the left of the right ventricle. Its long axis lies at about 45 deg

We are told that every surface we touch is teeming with bacterial cells, and bacteria are found in the pools we swim in, the water we wash with, and on the hands of friends. Why ar

Q. Food borne infections? Food borne infections, as you may recall reading earlier, are caused by the ingestion of pathogenic microorganisms that penetrate the intestinal muco

What are the disadvantages of protozoa

Describe Arteriovenous Continuous Murmur? Arteriovenous Continuous Murmur :  These can be congenital as in coronary artery fistula entering RA/RV/PA, sinus of valsalva to rig

Q. Which Foods are used by Microorganisms for Energy? The carbohydrates, especially the sugars, are most commonly used as an energy source, but other carbon compounds can also

Pericardiocentesis :  This is usually done by the cardiologist. It is better done with ECG and haemodynamic monitoring. Subxyphoid route is preferred with the patient positio

Define Surgery? Surgery ! Does the word itself not create a feeling of anxiety and bring our thoughts towards a debilitating state of health which would be accompanied by pain,